149266219 has 16 divisors (see below), whose sum is σ = 159465600. Its totient is φ = 139474944.

The previous prime is 149266193. The next prime is 149266231. The reversal of 149266219 is 912662941.

It is not a de Polignac number, because 149266219 - 2¹³ = 149258027 is a prime.

It is a super-2 number, since 2×149266219² = 44560808269111922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149266259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131647 + ... + 132775.

It is an arithmetic number, because the mean of its divisors is an integer number (9966600).

Almost surely, 2^149266219 is an apocalyptic number.

149266219 is a deficient number, since it is larger than the sum of its proper divisors (10199381).

149266219 is a wasteful number, since it uses less digits than its factorization.

149266219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its digits is 46656, while the sum is 40.

The square root of 149266219 is about 12217.4555043184. The cubic root of 149266219 is about 530.4614694491.

The spelling of 149266219 in words is "one hundred forty-nine million, two hundred sixty-six thousand, two hundred nineteen".